Philips DVDR630VR Service Manual page 94

Note: It is not recommended for component repair on this RL-02A Loader Module but
to replace the complete loader when it becomes defective.
The Information in this section is published for reference only.
ELECTRICAL TROUBLESHOOTING GUIDE ................ 3-114
WAVEFORMS ................................................................. 3-128
1. POWER & RESET SIGNAL .............................. 3-128
2. MAIN CLOCK1 FOR IC202 (16.9MHZ) ............ 3-128
3. MAIN CLOCK2 FOR IC302 (20MHZ) ............... 3-129
4. SDRAM CLOCK ................................................ 3-129
5. TRAY OPEN/CLOSE SIGNAL 1 ........................ 3-130
6. TRAY OPEN/CLOSE SIGNAL 2 ........................ 3-130
7. SLED MOVE SIGNAL 1 ..................................... 3-131
8. SLED MOVE SIGNAL 2 ..................................... 3-131
9. FOCUS SEARCH SIGNAL ................................ 3-132
10. LASER TURN ON SIGNAL ............................... 3-132
11. DISC TYPE JUDGEMENT WAVEFORM
(CD SERIES) ..................................................... 3-133
12. DISC TYPE JUDGEMENT WAVEFORM
(CD & CD-R) ...................................................... 3-133
13. DISC TYPE JUDGEMENT WAVEFORM
(CD-RW) ............................................................ 3-134
14. DISC TYPE JUDGEMENT WAVEFORM
(DVD SERIES) ................................................... 3-134
15. DISC TYPE JUDGEMENT WAVEFORM
(DVD_SINGLE&R) ............................................. 3-135
16. DISC TYPE JUDGEMENT WAVEFORM
(DVD_DUAL) ..................................................... 3-135
17. DISC TYPE JUDGEMENT WAVEFORM
(DVDRW) ........................................................... 3-136
18. SPINDLE WAVEFORM1 ................................... 3-136
19. SPINDLE WAVEFORM2 ................................... 3-137
20. FOCUS ON SIGNAL (CD) ................................. 3-137
21. FOCUS ON SIGNAL (CD) ................................. 3-138
22. FOCUS ON SIGNAL (DVD) .............................. 3-138
23. FOCUS ON SIGNAL (DVD) .............................. 3-139
24. TRACK OFF SIGNAL (CD) ............................... 3-139
25. TRACK OFF SIGNAL (DVD) ............................. 3-140
26. TILT DRIVER SIGNAL (DISC READING) ......... 3-140
27. RF WAVEFORM (DVD) ..................................... 3-141
28. RF WAVEFORM (CD) ....................................... 3-141
29. WOBBLE (DVD-R/RW)_READING ................... 3-142
30. WOBBLE (DVD+R/RW)_READING
& WRITING => X1 SPEED ................................ 3-142
31. LD ENABLE (DVD) ............................................ 3-143
32. LD ENABLE (CD) .............................................. 3-143
33. LASER POWER (READING)_DVD+RW .......... 3-144
34. LASER POWER (ERASE)_DVD+RW ............... 3-144
35. LASER POWER (WRITING)_INITIAL STATE .. 3-145
36. LASER POWER (WRITING)_PROCESSING ... 3-145
RL-02A LOADER PART
CONTENTS
THE DIFFERENCE OF DVD-R/RW, DVD+R/RW
DISCS AND DVD-ROM ................................................... 3-146
HOW TO USE TEST TOOL ............................................ 3-155
BLOCK DIAGRAMS ....................................................... 3-163
CIRCUIT DIAGRAMS ..................................................... 3-167
CIRCUIT VOLTAGE CHART .......................................... 3-175
PRINTED CIRCUIT DIAGRAMS .................................... 3-179
3-113
1. RECORDING LAYER ........................................ 3-146
2. DISC SPECIFICATION ...................................... 3-147
3. DISC MATERIALS ............................................. 3-147
4. ORGANIZATION OF THE INNER DRIVE
AREA, OUTER DRIVE AREA, LEAD-IN
ZONE AND LEAD-OUT ZONE .......................... 3-151
5. ALPC (AUTOMATIC LASER POWER
CONTROL) CIRCUIT ........................................ 3-154
1. OVERALL BLOCK DIAGRAM ........................... 3-163
2. RF BLOCK DIAGRAM ....................................... 3-164
3. DSP BLOCK DIAGRAM .................................... 3-165
4. MICOM BLOCK DIAGRAM ............................... 3-166
1. RF1 CIRCUIT DIAGRAM .................................. 3-167
2. RF2 CIRCUIT DIAGRAM .................................. 3-169
3. DSP CIRCUIT DIAGRAM .................................. 3-171
4. MICOM CIRCUIT DIAGRAM ............................. 3-173
1. MAIN P.C.BOARD (SIDE A) .............................. 3-179
2. MAIN P.C.BOARD (SIDE B) .............................. 3-183